Export a single frame as a new Blender model
If it's only one mesh, no matter how much poly count it has, the procedure will be quite easy.


Make a backup file of your ship.
In "on work" file, duplicate the ship.
Set timeline on 1 keyframe and delete all keyframes for original ship (this way you will get the ship in 1 frame position)
Set timeline on 76 keyframe and delete all keyframes for second ship (this way you will get second ship in 76 frame position).
You probably would want to have this ships on different layers for better performance. From this point you can proceed with whatever you want to achieve with this project.